System and method for verifying the amount of radiation delivere

Details System and method for verifying the amount of radiation delivere System and method for verifying the amount of radiation delivere

1996-05-03

1998-05-19

Wong, Don

X-ray or gamma ray systems or devices

Specific application

Absorption

378 64, 378108, 378117, G21K 510

Patent

active

057546223

ABSTRACT:
Radiation delivered to an object (13) is gathered by a detector unit (91). A central processing unit (18) reverse calculates the radiation delivered by using attenuation factors of the object (13) and exit radiation signals (92) generated by the detector unit (91). The delivered radiation is displayed on the screen of a monitor (70). Simultaneously, a radiation map from a planning system can be displayed. Thus, the amount of radiation delivered to object (13) is measured and can then be verified and displayed. A portal imaging system (90) can contain detector unit (91).

REFERENCES:
patent: 4365341 (1982-12-01), Lam
patent: 5138647 (1992-08-01), Nguyen et al.
patent: 5511549 (1996-04-01), Legg et al.
patent: 5623139 (1997-04-01), Sliski

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